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Fittoniya [83]
3 years ago
13

A bag contains 10 red marble and 15 green marbles.if Yukon selects a marble from the bag without looking what is the probability

that she will pull out a red marble
Mathematics
1 answer:
uranmaximum [27]3 years ago
6 0

Answer:

10/25

Step-by-step explanation:

Theres 25 marbles in total. 10 are red. So its 10/25

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4. 6t -5+5t = 105 (t = 4; t = 7;t = 10)
prohojiy [21]

Answer:

t = 10.

Step-by-step explanation:

We can combine like terms, getting 11t - 5 = 105.

Add both sides by 5, getting 11t = 105 + 5 = 110.

We can then divide both sides by 11, getting t = 10.

4 0
3 years ago
Taylor is making a cookie cake that has a diameter of 13 in. What is the area of a fourth of the cookie cake?
weqwewe [10]

Cookie Cake is in the form of a circle.

Radius of circle = 1/2 * diameter of circle = 1/2*13=13/2=6.5 in

Thus the Area of the circle = \pi r^2

= \pi *6.5^2

= 132.73

Area of a fourth of the Cookie cake = \frac{1}{4} *132.73 = 33.18 in^2

5 0
3 years ago
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One day the temperature was 72°F. That night, the temperature was 44°F. What number represents the change in temperature?A. 22°F
soldier1979 [14.2K]

Answer:

-28*F, hope this helps!

7 0
3 years ago
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Karl earned scores of 58, 88, 80, and 70 on his first 4 Chemistry tests. What is the minimum score he needs to earn on his fifth
OLga [1]

Answer:

79

Step-by-step explanation:

(58+88+80+70+ x)/5=75

75*5=296x

375=296x

x=375-296

x=79

8 0
3 years ago
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What the answer to this equation be?
scoray [572]

If you expand the square, you have

\dfrac{1}{4}x^2-3x=7x+8-10x

Simplify the right hand side:

\dfrac{1}{4}x^2-3x=-3x+8

Cancel the -3x appearing on both sides:

\dfrac{1}{4}x^2=8

Multiply both sides by 4:

x^2=32

Consider the square root of both terms (using the doubles sign):

x=\pm\sqrt{32}=\pm4\sqrt{2}

5 0
4 years ago
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